Drum memory


            https://term.museum-digital.de/md-de/tag/94543

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Note: "Drum memory was a magnetic data storage device invented by Gustav Tauschek in 1932 in Austria. Drums were widely used in the 1950s and into the 1960s as computer memory.

For many early computers, drum memory formed the main working memory of the computer. It was so common that these computers were often referred to as drum machines. Some drums were also used as secondary storage as for example various IBM drum storage drives.

Drums were displaced as primary computer memory by magnetic core memory, which offered a better balance of size, speed, cost, reliability and potential for further improvements. Drums in turn were replaced by hard disk drives for secondary storage, which were both less expensive and offered denser storage. The manufacturing of drums ceased in the 1970s." - (en.wikipedia.org 05.01.2022)

[Last update: 2022/01/05]